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Issues with file/folder permissions. I used to use 18.04 and upgraded to 20.04. I am unable to access places I normally could

cn flag

I just upgraded from 18.04 to 20.04 and am having to use sudo for everything which I didn't have to do when I used 18.04. For example, I was trying to install matlab recently via terminal and I am unable to access /usr/local/ without starting the install as sudo ./install. I am a root user and have restarted terminal multiple times. I'm not sure what is different between the two OS versions that requires me to use sudo so often.

Another case I noticed this was when I tried to use apt-install and the terminal shot back an error saying: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

hr flag
It is absolutely normal to need root privileges to install or modify files in `/usr/local` and `/var/lib/dpkg/`
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